AOC U27G4R 27"
27" IPS · 3840× 2160 · 163 PPI
Optimal Viewing Distance
54cm
Retina distance: 53.5cm / 21.1in
Too Close
< 16cm
Perfect Zone
54cm
Good Zone
80cm
Acceptable Zone
1.3m
Too Far
2.1m
54cm Perfect Zone
Retina quality — pixels are invisible at this distance.
80cm Good Zone
Sharp image — slightly past the ideal distance but still excellent.
1.3m Acceptable Zone
The screen appears smaller — you're starting to miss fine details.
2.1m Too Far
You're not using your screen's full resolution. Move closer.
Specifications
| Brand | AOC |
|---|---|
| Model | U27G4R 27" |
| Screen Size | 27" |
| Resolution | 3840×2160 |
| Panel | IPS |
| Refresh Rate | 160 Hz |
| Variable Refresh Rate (VRR) | G-SYNC Compatible |
| Response Time | 0.5 ms MPRT |
| HDR Certification | DisplayHDR 400 |
| SDR Brightness | 400 nits |
| HDR Peak Brightness | 400 nits |
| Contrast Ratio | 1:1,000 |
| Ports | 2x HDMI · 1x DP · USB Hub |
| Color Gamut | sRGB 124.7% · DCI-P3 95.9% · Adobe RGB 93.4% |
| Viewing Angle | 178° — Excellent |
| Pixel Density (PPI) | 163 |
| Aspect Ratio | 16:9 |
| Year | 2024 |
Category Ranking
Pixel Density (PPI)
#20 / 67in category
93 PPI163 PPI224 PPI
HDR Peak Brightness
#51 / 67in category
250 nits400 nits2000 nits
DCI-P3 Color Gamut
#47 / 63in category
79%95.9%100%
Refresh Rate160 Hz
StandardHighUltra
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Frequently Asked Questions
What is the optimal viewing distance for the AOC U27G4R 27"?
The optimal viewing distance for the AOC U27G4R 27" (27") is approximately 54cm. At this distance, individual pixels become invisible to the human eye.
What is the PPI of the AOC U27G4R 27"?
The AOC U27G4R 27" has a pixel density of 163 PPI (pixels per inch) with a 3840×2160 resolution on a 27" display.
Is the AOC U27G4R 27" good for desktop work?
With 163 PPI and a 27" IPS display, the AOC U27G4R 27" is very good for desktop work when viewed from the recommended distance of 54cm.
Methodology & Sources
Formula: Retina distance (cm) = 3438 / PPI. Displayed values are rounded for readability.
Sources: Official manufacturer spec sheets and product pages. Specs are normalized before comparisons.
Last updated:
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